diff mbox series

[v2,11/13] mm/memory-failure: fix comment of get_hwpoison_page()

Message ID 20240606063247.712575-12-linmiaohe@huawei.com (mailing list archive)
State New
Headers show
Series Some cleanups for memory-failure | expand

Commit Message

Miaohe Lin June 6, 2024, 6:32 a.m. UTC 
When return value is 0, it could also means the page is free hugetlb
page or free buddy page. Fix the corresponding comment.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
 mm/memory-failure.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 51df2c2e0cc2..0d37f20968e6 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1525,7 +1525,7 @@  static int __get_unpoison_page(struct page *page)
  * the given page has PG_hwpoison. So it's never reused for other page
  * allocations, and __get_unpoison_page() never races with them.
  *
- * Return: 0 on failure,
+ * Return: 0 on failure or free buddy (hugetlb) page,
  *         1 on success for in-use pages in a well-defined state,
  *         -EIO for pages on which we can not handle memory errors,
  *         -EBUSY when get_hwpoison_page() has raced with page lifecycle